diff --git a/apps/ai-game-creator-shell/src-tauri/src/ui_editor/html_renderer/assets.rs b/apps/ai-game-creator-shell/src-tauri/src/ui_editor/html_renderer/assets.rs
index b83ce6315..2ba1c5913 100644
--- a/apps/ai-game-creator-shell/src-tauri/src/ui_editor/html_renderer/assets.rs
+++ b/apps/ai-game-creator-shell/src-tauri/src/ui_editor/html_renderer/assets.rs
@@ -9,9 +9,10 @@ pub(super) fn font_face_rule(
 }
 
 pub(super) fn html_comment(label: &str, value: serde_json::Value) -> Markup {
-    let text = serde_json::to_string_pretty(&value)
-        .unwrap_or_else(|_| "{}".to_string())
-        .replace("--", "- -");
+    let mut text = serde_json::to_string_pretty(&value).unwrap_or_else(|_| "{}".to_string());
+    while text.contains("--") {
+        text = text.replace("--", "- -");
+    }
     PreEscaped(format!("<!-- {label}:\n{text}\n-->"))
 }